304 lines
No EOL
12 KiB
HTML
304 lines
No EOL
12 KiB
HTML
```html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Organic Voronoi Bloom</title>
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<style>
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body {
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margin: 0;
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overflow: hidden;
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background-color: #0a0a1a;
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color: #f0f0f0;
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font-family: 'Courier New', monospace;
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}
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#canvas {
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display: block;
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}
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#info {
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position: absolute;
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bottom: 10px;
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left: 10px;
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font-size: 10px;
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opacity: 0.6;
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}
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</style>
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</head>
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<body>
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<canvas id="canvas"></canvas>
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<div id="info">neurameba · motd.social</div>
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<script>
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const canvas = document.getElementById('canvas');
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const ctx = canvas.getContext('2d');
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function resizeCanvas() {
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canvas.width = window.innerWidth;
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canvas.height = window.innerHeight;
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}
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window.addEventListener('resize', resizeCanvas);
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resizeCanvas();
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// Parameters derived from the specification
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const params = {
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motion: 0.546,
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density: 0.519,
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complexity: 0.492,
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connectedness: 0.498,
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lifespan: 0.567,
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pulse: { avg: 0.70, min: 0.30, max: 1.90 },
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tone: { anger: 0.00, sadness: 0.00, curiosity: 0.70, dryness: 0.90, playfulness: 0.10, tension: 0.00 },
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topology: {
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nodes: 77,
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branches: 58,
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loops: 153,
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maxDepth: 19,
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thicknessRatio: 1.75,
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fractalDim: 1.616,
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energy: 378.8
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}
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};
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// Cellular automaton grid
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const gridSize = Math.floor(120 + params.density * 80);
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const cellSize = Math.min(canvas.width, canvas.height) / gridSize;
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const cols = Math.ceil(canvas.width / cellSize);
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const rows = Math.ceil(canvas.height / cellSize);
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// State variables
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let points = [];
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let edges = [];
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let time = 0;
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let energy = params.topology.energy;
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const pulseScale = params.pulse.avg + Math.sin(time * 0.5) * (params.pulse.max - params.pulse.min) * 0.3;
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// Palette based on tone parameters
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const huePrimary = 170 + (Math.sin(time * 0.1) * 20); // teal/cyan for curiosity
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const saturation = params.tone.dryness < 0.5 ? 0.8 : 0.4; // lower for dryness
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const brightness = params.tone.playfulness > 0.5 ? 1.0 : 0.8;
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const palette = {
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bg: '#0a0a1a',
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point: `hsl(${huePrimary}, ${saturation * 100}%, ${brightness * 30 + 10}%)`,
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edge: `hsl(${huePrimary}, ${saturation * 70}%, ${brightness * 40 + 5}%)`,
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highlight: `hsl(${huePrimary}, ${saturation * 50}%, ${brightness * 60}%)`
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};
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// Generate Voronoi points with controlled randomness
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function generatePoints() {
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points = [];
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const pointCount = Math.floor(params.topology.nodes * (0.7 + params.connectedness * 0.8));
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for (let i = 0; i < pointCount; i++) {
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// Cluster points toward center with perturbations
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const angle = Math.random() * Math.PI * 2;
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const distance = Math.random() * 0.4 + 0.3;
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const centerX = canvas.width / 2;
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const centerY = canvas.height / 2;
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const x = centerX + Math.cos(angle) * distance * canvas.width * (0.5 + Math.random() * 0.2);
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const y = centerY + Math.sin(angle) * distance * canvas.height * (0.5 + Math.random() * 0.2);
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// Add some deterministic movement based on time
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const orbitX = Math.cos(time * 0.03 + i * 0.05) * 20;
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const orbitY = Math.sin(time * 0.03 + i * 0.05) * 15;
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points.push({
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x: x + orbitX,
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y: y + orbitY,
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baseX: x,
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baseY: y,
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size: 1 + Math.random() * params.density * 2,
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lifespan: params.lifespan > 0.5 ? Infinity : Math.random() * 500 + 200
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});
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}
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}
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// Generate edges with controlled complexity
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function generateEdges() {
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edges = [];
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const possibleEdges = [];
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// Delaunay-like edges (limited to nearby points)
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for (let i = 0; i < points.length; i++) {
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const point = points[i];
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const nearPoints = points.filter((p, j) => {
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if (i === j) return false;
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const dist = Math.sqrt((p.x - point.x) ** 2 + (p.y - point.y) ** 2);
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return dist < canvas.width * 0.2 * (0.7 + params.complexity * 0.6);
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}).sort((a, b) => {
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// Sort by angle for Delaunay-like connections
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const angleA = Math.atan2(a.y - point.y, a.x - point.x);
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const angleB = Math.atan2(b.y - point.y, b.x - point.x);
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return angleA - angleB;
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});
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// Connect to nearest 3-5 points based on complexity
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const connectCount = Math.max(2, Math.floor(2 + params.complexity * 4));
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for (let j = 0; j < Math.min(connectCount, nearPoints.length); j++) {
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possibleEdges.push({
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from: i,
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to: points.indexOf(nearPoints[j]),
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strength: 0.3 + Math.random() * 0.7,
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phase: Math.random() * Math.PI * 2,
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baseLength: Math.sqrt((nearPoints[j].x - point.x) ** 2 + (nearPoints[j].y - point.y) ** 2)
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});
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}
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}
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// Add some organic branching patterns
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for (let i = 0; i < params.topology.branches; i++) {
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const from = Math.floor(Math.random() * points.length);
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const to = Math.floor(Math.random() * points.length);
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if (from !== to) {
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possibleEdges.push({
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from,
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to,
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strength: 0.5 + Math.random() * 0.5,
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phase: Math.random() * Math.PI * 2,
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baseLength: points[from].size + points[to].size + 10
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});
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}
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}
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// Add some loop connections based on topology metrics
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for (let i = 0; i < params.topology.loops; i++) {
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const a = Math.floor(Math.random() * points.length);
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const b = Math.floor(Math.random() * points.length);
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const c = Math.floor(Math.random() * points.length);
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// Form a small triangle/loop
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if (a !== b && b !== c && a !== c) {
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possibleEdges.push({
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from: a, to: b,
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strength: 0.2 + Math.random() * 0.3,
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phase: 0,
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baseLength: points[a].size + points[b].size + 5
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});
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possibleEdges.push({
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from: b, to: c,
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strength: 0.2 + Math.random() * 0.3,
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phase: Math.PI/3,
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baseLength: points[b].size + points[c].size + 5
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});
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possibleEdges.push({
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from: c, to: a,
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strength: 0.2 + Math.random() * 0.3,
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phase: Math.PI*2/3,
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baseLength: points[c].size + points[a].size + 5
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});
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}
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}
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// Filter and select edges based on connectedness
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edges = possibleEdges.filter((_, i) => i % (2 + Math.floor((1 - params.connectedness) * 8)) === 0);
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}
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// Initialize
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generatePoints();
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generateEdges();
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// Animation loop
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function animate() {
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// Clear with subtle trails
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ctx.fillStyle = `rgba(0, 0, 0, ${0.1 + params.motion * 0.1})`;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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time += params.motion * 0.05 + 0.01;
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// Update points with organic movement
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points.forEach(point => {
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if (point.lifespan !== Infinity) {
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point.lifespan--;
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if (point.lifespan <= 0) {
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// Regenerate this point
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const angle = Math.random() * Math.PI * 2;
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const distance = 0.3 + Math.random() * 0.7;
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point.x = canvas.width / 2 + Math.cos(angle) * distance * canvas.width * 0.5;
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point.y = canvas.height / 2 + Math.sin(angle) * distance * canvas.height * 0.5;
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point.lifespan = params.lifespan > 0.5 ? Infinity : Math.random() * 500 + 200;
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}
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}
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// Organic wandering
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point.x += (point.baseX - point.x) * 0.01 + (Math.random() - 0.5) * 0.3 * params.motion;
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point.y += (point.baseY - point.y) * 0.01 + (Math.random() - 0.5) * 0.3 * params.motion;
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});
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// Update edges with pulsing and thickness
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const pulseEffect = params.pulse.avg + Math.sin(time * 0.3) * (params.pulse.max - params.pulse.min) * 0.2;
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edges.forEach(edge => {
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const p1 = points[edge.from];
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const p2 = points[edge.to];
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if (!p1 || !p2) return;
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const dist = Math.sqrt((p2.x - p1.x) ** 2 + (p2.y - p1.y) ** 2);
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const ratio = dist / edge.baseLength;
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// Adjust thickness based on motion and connectedness
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const thickness = 0.5 + params.topology.thicknessRatio * (0.3 + params.complexity * 0.7);
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// Pulse effect
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const pulse = 1 + Math.sin(edge.phase + time * 0.2) * pulseEffect * 0.2;
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const currentThickness = thickness * (pulse * edge.strength);
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// Use alpha based on energy and distance
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const alpha = params.tone.dryness > 0.8 ?
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0.2 + 0.8 * (1 - ratio) :
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0.3 + 0.7 * (1 - ratio);
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// Draw edge with gradient for organic feel
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const gradient = ctx.createLinearGradient(p1.x, p1.y, p2.x, p2.y);
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gradient.addColorStop(0, `${palette.edge}80`);
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gradient.addColorStop(1, `${palette.edge}20`);
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ctx.strokeStyle = gradient;
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ctx.lineWidth = currentThickness;
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ctx.globalAlpha = alpha;
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ctx.beginPath();
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ctx.moveTo(p1.x, p1.y);
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ctx.lineTo(p2.x, p2.y);
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ctx.stroke();
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// Highlight thriving connections
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if (params.topology.energy > 300 && alpha > 0.4) {
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ctx.strokeStyle = palette.highlight;
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ctx.lineWidth = currentThickness * 0.3;
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ctx.globalAlpha = 0.15 + 0.1 * Math.sin(time * 0.5 + edge.phase);
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ctx.beginPath();
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ctx.moveTo(p1.x, p1.y);
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ctx.lineTo(p2.x, p2.y);
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ctx.stroke();
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}
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});
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// Draw points
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points.forEach(point => {
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const size = point.size * (1 + Math.sin(time * 0.1 + point.baseX * 0.01) * 0.2);
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const alpha = params.tone.dryness > 0.8 ? 0.4 : 0.6;
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ctx.fillStyle = `${palette.point}${Math.floor(alpha * 255).toString(16).padStart(2, '0')}`;
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ctx.beginPath();
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ctx.arc(point.x, point.y, size * pulseEffect * 0.8, 0, Math.PI * 2);
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ctx.fill();
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});
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// Occasionally regenerate points and edges
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if (Math.random() < 0.02 * params.complexity) {
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generatePoints();
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}
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if (Math.random() < 0.01 * params.connectedness) {
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generateEdges();
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}
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ctx.globalAlpha = 1;
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requestAnimationFrame(animate);
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}
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animate();
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</script>
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</body>
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</html>
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``` |